I'm not even sure if the teeth fell out gag counts as a gag, though I've always liked the cartoon symbol for teeth. It's the same tooth that has arms and legs and tells you to brush.

The garbage disposal gag is fitting, but I still say there should have been a dog licking the exposed brain gag. This is the classic dog gag--a dog innocently licking or consuming something unfit for the human palette. I think you missed a big opportunity there.

I wonder if the poor man was was found worthy of entering Valhalla. He was obviously not particularly afraid of dying. It might be funny to see a valkyrie with a mop and bucket cursing about having the lousiest job in the world.